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Finding the Third Proportional to 7,827,720 and 15,875,628

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Solution

The third proportional to 7,827,720 and 15,875,628 is: 32,197,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,720 : 15,875,628 = 15,875,628 : x
  2. Step 2: Convert to fraction form
    7,827,720/15,875,628 = 15,875,628/x
  3. Step 3: Cross multiply
    7,827,720x = 15,875,628 × 15,875,628
  4. Step 4: Simplify right side
    7,827,720x = 252,035,564,394,384
  5. Step 5: Solve for x
    x = 252,035,564,394,384/7,827,720
  6. Step 6: Final answer
    x = 32,197,825.73

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.